CN1068833C

CN1068833C - Casting wheel

Info

Publication number: CN1068833C
Application number: CN96110636A
Authority: CN
Inventors: 冈崎泰典
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 1995-07-18
Filing date: 1996-07-09
Publication date: 2001-07-25
Anticipated expiration: 2016-07-09
Also published as: KR970005657A; EP0754570A1; DE69607251T2; JPH0930201A; JP3569570B2; KR0185122B1; TW309849U; ES2145344T3; DE69607251D1; EP0754570B1; CN1140666A

Abstract

This invention provides a cast wheel including a hub, a rim coaxially surrounding the hub, and a plurality of spokes connecting the hub to the rim, which are integrally formed, wherein a relatively large opening portion is ensured between the hub and the rim 12[1] for improving the maintenance performance of a disk brake or the like while keeping the rigidity of the wheel. A plurality of spoke pairs 13[1] composed of spokes 14[1], 15[1] being close to each other along the circumferential direction of a hub 11[1] and a rim 12[1] are arranged at equal intervals along the circumferential direction in such a manner that each interval between the spoke pairs 13[1] is larger than each interval between the spokes 14[1], 15[1].

Description

Cast wheel

The present invention relates to a kind of cast wheel, it is by wheel hub, constitutes around the wheel rim of this wheel hub and a plurality of spoke integral formings of binding wheel hub and wheel rim on same axle.

Real fair 4-51041 communique etc. disclose a kind of with cast the relevant technology of wheel.

But, cast wheel in the past as mentioned above, because being the circumferencial direction along wheel hub and wheel rim, uniformly-spaced disposes spoke, so the mutual interval of spoke becomes narrow, during maintenance disk brake etc., sometimes hand is difficult to enter, and particularly on the wheel of dillies such as motor scooter, this tendency clearly.

The purpose of this invention is to provide a kind of cast wheel of using for reference relevant situation, managing to guarantee has bigger opening portion between wheel hub and the wheel rim, can make the maintenance activity of disk brake etc. carry out easily, can not reduce rigidity again.

For achieving the above object, cast wheel of the present invention centers on the wheel rim of this wheel hub and a plurality of spoke integral formings of binding wheel hub and wheel rim and constitutes by wheel hub, on same axle, be characterized in: spoke to by along the circumferencial direction of wheel hub and wheel rim mutually approaching a pair of spoke constitute, each spoke is arranged to also bigger than constituting the mutual interval of the right spoke of these spokes respectively to mutual interval, spoke is to along aforementioned circumferencial direction equivalent arrangements.

And according to another aspect of the present invention, on the basis of foregoing invention, right a pair of spoke is to be arranged in this wise between wheel hub and the wheel rim to constitute each spoke, that is, and and along with diminishing near the mutual interval of these wheel hubs with wheel hub.

Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.

Fig. 1 is the lateral plan that front and back wheel has been used the automatic two-wheeled cycle of cast wheel of the present invention.

Fig. 2 is the lateral plan of front-wheel with cast wheel.

Fig. 3 is the section-drawing of 3-3 line among Fig. 2.

Fig. 4 is the section-drawing of 4-4 line among Fig. 2.

Fig. 5 is the lateral plan of trailing wheel with cast wheel.

Fig. 6 is the section-drawing of 6-6 line among Fig. 5.

Fig. 1 to 6 represents one embodiment of the present of invention, Fig. 1 is the lateral plan that front and back wheel has been used the automatic two-wheeled cycle of cast wheel of the present invention, Fig. 2 is the lateral plan of front-wheel with cast wheel, Fig. 3 is the section-drawing of 3-3 line among Fig. 2, Fig. 4 is the section-drawing of 4-4 line among Fig. 2, Fig. 5 is the lateral plan of trailing wheel with cast wheel, and Fig. 6 is the section-drawing of 6-6 line among Fig. 5.

At first in Fig. 1, the front portion of the car body frame F that the automatic two-wheeled cycle V of formation small motor cycle type possesses, shroud upper panel 20 with shelf 19 before including is hiding with the anterior rear cowl 22 that includes preceding internal frame 21, the leading section of front-fork 5 supporting body frame F, manipulating handgrip H can make its left and right turning to.In cast wheel 1 ₁The outer ring install tire 2 ₁The front-wheel W that constitutes _F, hide by movable front fender apron 23, be supported on the lower end of front-fork 5, at this front-wheel W _FOn adorning the disk brake B that includes brake disc 17 and calliper 18 _F

The rear portion of car body frame F is hidden by rear cowl 24, is provided with to pin being placed on the seat 26 of the occupant on the stretcher 25 on the top of rear cowl 24.The pendulous device S that is made up of driving engine E and change speed gear box 7 can easy on and off swingingly be supported on the rear portion of car body frame F, and left and right a pair of shock absorber 6 is arranged between this oscillatory system S and the car body frame F.Trailing wheel W _RBe to install tire 2 in the outer ring of cast wheel 12 ₂Constitute, it is extended to the rear from rear cowl 24 rear mudguard 27 hides, and is supported in change speed gear box 7, at this trailing wheel W _ROn adorning drum type brake B _RAnd at trailing wheel W _RLeft side, the top of change speed gear box 7 set air filter 8, at trailing wheel W _RThe right side set silencer 9.

Below with reference to Fig. 2 to Fig. 4, with regard to front-wheel W _FCast wheel 1 ₁Be illustrated this cast wheel 1 ₁Be to be integral, comprise following part: the lower end and the free rotating wheel hub 11 of energy that are bearing in front-fork 5 with light-alloy castings such as aluminum alloys ₁On same axle, center on this wheel hub 11 ₁Tire 2 with fashionable dress ₁Wheel rim 12 ₁Be arranged on wheel hub 11 ₁With wheel rim 12 ₁Between a plurality of (such as 3) spoke to 13 ₁At wheel hub 11 ₁Go up for disk brake B is installed _FBrake disc 17, be equipped with a plurality of (such as 3) installation bases 16 (with reference to Fig. 2).

Each spoke is to 13 ₁Be by along wheel hub 11 ₁With wheel rim 12 ₁The mutual approaching paired spoke 14 of circumferencial direction ₁, 15 ₁Constitute a side spoke 14 ₁Transverse shape be to front-wheel W _FThe left side opening slightly be U word shape shape, the opposing party's spoke 15 ₁Its transverse shape is to front-wheel W _FRight openings slightly be U word shape shape.And two spoke 14 ₁, 15 ₁With respect to wheel hub 11 ₁Radial direction to the circumferencial direction lopsidedness, simultaneously along with these spokes 14 ₁, 15 ₁With wheel hub 11 ₁Approaching, its mutual interval is arranged on wheel hub 11 with diminishing gradually ₁With wheel rim 12 ₁Between, promptly be arranged on wheel hub 11 shape slightly triangular in shape ₁With wheel rim 12 ₁Between.

And each spoke is to 13 ₁Along wheel hub 11 ₁With wheel rim 12 ₁The circumferencial direction equalization set many places (such as 3 places), these spokes are to 13 ₁Be arranged to than constituting each spoke respectively at mutual interval 13 ₁Two spokes 14 ₁, 15 ₁It is big that want at mutual interval.

In Fig. 5 and Fig. 6, trailing wheel W _RCast wheel 1 ₂Be integral by light-alloy castings such as aluminum alloys, it is by constituting as the lower part: can hold drum type brake B _RWheel hub 11 ₂On same axle, center on this wheel hub 11 ₂Tire 2 with fashionable dress ₂Wheel rim 12 ₂Be arranged on wheel hub 11 ₂With wheel rim 12 ₂Between a plurality of (such as 3) spoke to 13 ₂Each spoke is to 13 ₂Respectively by along wheel hub 11 ₂With wheel rim 12 ₂Circumferencial direction a pair of spoke 14 near each other ₂, 15 ₂Constitute.An and side spoke 14 ₂Transverse shape be to trailing wheel W _RThe left side opening slightly be U word shape shape, another spoke 15 ₂Its transverse shape is to trailing wheel W _RRight openings slightly be U word shape shape.Two spokes 14 ₂, 15 ₂Along with wheel hub 11 ₂Be arranged on wheel hub 11 near its mutual interval with diminishing gradually ₂With wheel rim 12 ₂Between.

And each spoke is to 13 ₂Along wheel hub 11 ₂With wheel rim 12 ₂The circumferencial direction equal distribution be located at many places (such as 3 places), these spokes are to 13 ₂Mutual interval is arranged to than constituting each spoke respectively to 13 ₂Two spokes 14 ₂, 15 ₂It is big that want at mutual interval.

Then the effect to this embodiment is illustrated.In cast wheel 1 ₁, 1 ₂On, be attached at

wheel hub

11 ₁, 11 ₂With

wheel rim

12 ₁, 12 ₂Between a plurality of spokes 14 ₁, 15 ₁14 ₂, 15 ₂, formation is combined into approaching a pair of spoke 14 mutually ₁, 15 ₁14 ₂, 15 ₂The majority group spoke that forms is to 13 ₁, 13 ₂, because each spoke is to 13 ₁, 13 ₂Mutual interval is arranged to than spoke 14 ₁, 15 ₁14 ₂, 15 ₂It is big that want at mutual interval, and each spoke is to 13 ₁, 13 ₂Equivalent arrangements along the circumferential direction so can guarantee the rigidity of taking turns, can be guaranteed at each spoke 13 simultaneously ₁, 13 ₂Bigger opening portion is arranged each other, can easily carry out disk brake B _FWith drum type lock B _RDeng maintenance activity.

And because constitute spoke to 13 ₁, 13 ₂A pair of spoke 14 ₁, 15 ₁14 ₂, 15 ₂, be by to the left and right sides of wheel opening slightly be U word shape shape, so can seek lightweight and can improve rigidity, and because spoke 14 ₁, 15 ₁14 ₂, 15 ₂Be arranged on wheel hub 11 slightly triangular in shapely ₁, 12 ₂With

wheel rim

12 ₁, 12 ₂Between, so rely on this point also can improve rigidity.

Embodiments of the invention more than have been described in detail in detail, but the present invention is not limited only to the foregoing description, and can carries out various design modifications not departing from the scope of the present invention.

For example spoke also can be at wheel hub and intermarginal 4 places that along the circumferential direction are provided with of wheel to not being to be defined as 3 groups.

As mentioned above, according to the present invention program's 1 described invention, because by along the circumferencial direction of wheel hub and wheel rim mutually the spoke that constitutes of approaching a pair of spoke to equivalent arrangements along the circumferential direction, and mutual interval is arranged to spoke also bigger than constituting the mutual interval of the right spoke of these spokes respectively, so can guarantee wheel hub and take turns the intermarginal bigger opening portion that has, thereby can improve the maintainability that is installed in the disk brake on the wheel, and can guarantee that wheel has enough rigidity.

And according to the present invention program's 2 described inventions, on the present invention program 1 basis, because constitute the right a pair of spoke of each spoke, along with and disposing of wheel hub near the mutual interval of these spokes with diminishing be arranged between wheel hub and the wheel rim, so two spokes are configured to triangular shaped, can improve the wheel rigidity.

Claims

1. cast wheel, it is by wheel hub (11 ₁, 11 ₂), on same axle around this wheel hub (11 ₁, 11 ₂) wheel rim (12 ₁, 12 ₂) and be attached at wheel hub (11 ₁, 11 ₂) and wheel rim (12 ₁, 12 ₂) between a plurality of spokes (14 ₁, 15 ₁14 ₂, 15 ₂) constitute one, by along wheel hub (11 ₁, 11 ₂) and wheel rim (12 ₁, 12 ₂) the mutual approaching double-type spoke (14 of circumferencial direction ₁, 15 ₁14 ₂, 15 ₂) constitute a plurality of spokes to (13 ₁, 13 ₂), with each spoke to (13 ₁, 13 ₂) mutual interval is arranged to than constituting these spokes respectively to (13 ₁, 13 ₂) spoke (14 ₁, 15 ₁14 ₂, 15 ₂) mutual interval is big, aforementioned spoke is to along aforementioned circumferencial direction equivalent arrangements, it is characterized in that: each spoke centering, wherein a side spoke shape of cross section is the U word shape of opening to the cast wheel left side, the opposing party's spoke shape of cross section is the U word shape of opening to the cast wheel right side.

2. cast wheel according to claim 1 is characterized in that: be arranged on wheel hub (11 ₁, 11 ₂) and wheel rim (12 ₁, 12 ₂) between, constitute each spoke to (13 ₁, 13 ₂) paired spoke (14 ₁, 15 ₁14 ₂, 15 ₂) mutual interval along with wheel hub (11 ₁, 11 ₂) near and diminish.